Shimano | 105 Fc-R7100 12 Speed Crankset 170 Mm, 50/34 Tooth | Aluminum

Shimano 105 Hollowtech II FC-R7100 12-Speed Crank An Attractive Aluminum Crank Shimano 105 is now available in 12-speed. This means you'll want to get a new crankset so you can shift with ease. The Shimano 105 Hollowtech II FC-R7100 12-Speed Crank is an attractive aluminum crank with hollow arms for lightweight, rigidity, and durability. The newly designed crank arms offer an optimized balance between lightweight and efficiency. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance. Features Optimal balances of stiffness, strength, weight, and rotational performance Hollowtech II structure cuts weight yet maintains strength for better power transfer Beautiful gloss black anodized finish giving it a luxurious look SPECIFICATIONSSpeeds12-Speed BB Compatibility SM-BB72-41B, SM-BBR60Chain Ring50/34T, 52/36TCrank Arm Length160, 165, 170, 172. 5, 175mm BB Spindle Interface-Chainring Material Aluminum Bolt Center Diameter (BCD)110mm Crank Arm Material Aluminum Chainline44. 5mm Bottom Bracket Included No Intended Use Road Weight N/A | Shimano | 105 Fc-R7100 12 Speed Crankset 170 Mm, 50/34 Tooth | Aluminum